2215840

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1259}}^1$

素因数の和:1285

約数の個数: 48

約数和(自身を含む): 5715360

約数和(自身を除く): 3499520

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1259, 1760, 2518, 5036, 6295, 10072, 12590, 13849, 20144, 25180, 27698, 40288, 50360, 55396, 69245, 100720, 110792, 138490, 201440, 221584, 276980, 443168, 553960, 1107920, 2215840]

約数ペア:

[(1, 2215840), (2, 1107920), (4, 553960), (5, 443168), (8, 276980), (10, 221584), (11, 201440), (16, 138490), (20, 110792), (22, 100720), (32, 69245), (40, 55396), (44, 50360), (55, 40288), (80, 27698), (88, 25180), (110, 20144), (160, 13849), (176, 12590), (220, 10072), (352, 6295), (440, 5036), (880, 2518), (1259, 1760)]